SerLooK is a KDE application for inspecting data
going over serial lines. It can work as a binary
terminal that sends and receives data through a
defined port (Point to Point mode) and displays
them on separate views. Each view can be
configured to display data in hexadecimal,
decimal, octal, binary, and raw ASCII. It is
also possible to perform I/O through terminal
emulation views and define a secondary port and
monitor the traffic between two external hosts
using a "Y" cable (Snooper mode).

Oculus Server Monitor uses a plain text, human readable protocol to export server information to any client that connects to it. It supports a plugin system for commands, an XML-style configuration file, and IP-based access control. Odie, the Oculus Daemon InterfeacE, is a rich Web application that polls a list of hosts for their status.

lsnet is a system monitor that generates detailed
charts for viewing on your Web site. One pixel
represents 1 minute. It displays data for one day and also has a daily network usage chart showing how much up/down traffic there was for each day of the month.

IFMon (Interface Monitor) displays the traffic, state, connection, and other information of a network interface as a small console window. The information for the network interface being monitored is obtained from the files in /proc to help simplify portability.

LiKee (which stands for LIne KEEper) is a monitoring system for supervision of Web applications and pages. It is a tool for automation of service processes of uptime-critical Web applications. It periodically monitors remote pages and evaluates their content with regular expressions. It can send alerts through email, GSM calls, and SMS. It offers Web-based administration and reporting with advanced graphical design.

BitMeter OS is a bandwidth meter. It logs how much data is uploaded and downloaded from your system and records this information in an SQLite database. The database can be queried from the command-line or monitored in real time.

katimon is an unofficial ATI graphics card temperature monitor, fan regulator, and overclocking utility. It is a graphical front-end to the command-line aticonfig utility. Katimon monitors and controls supported ATI graphics cards. It can monitor temperature, fan speed, GPU speed and memory speed. It can automatically control fan speed by monitoring the temperature. It can also act as an overclocking utility for cards that support it. This utility only works with the proprietary fglrx driver.

gbRRDGraphix is a graphical user interface that allows one to use RRDTool commands and "flow-tools" Netflow utilities easily. The project includes a scheduler to update the RRDTool database and a complete Web site to display all RRDtool graphics.

PHP Server Monitor is a script that checks whether the servers/Websites on your list are running. Each server has its own notification settings. Notifications are made via email or text messages. Using the Web-based interface, you can add servers and manage users for each server.